S. Almohana, “Prevalence of clinically significant Hepatopulmonary Syndrome among Patients with Chronic Liver Disease and Portal Hypertension”, Al-Kindy Col. Med. J, vol. 7, no. 1, pp. 61–66, Jun. 2011, Accessed: May 03, 2024. [Online]. Available: https://jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/670